The ungleich VM console » History » Version 1
Jin-Guk Kwon, 02/02/2020 03:05 PM
| 1 | 1 | Jin-Guk Kwon | h1. The ungleich VM console |
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| 2 | |||
| 3 | {{toc}} |
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| 4 | |||
| 5 | h2. 1. System Architecture |
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| 6 | |||
| 7 | This service supports accessing console of your VM through guacamole service. |
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| 8 | And To log-in VM console web needs datacenterlight.ch account. User's accounts are syncronized with LDAP. |
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| 9 | |||
| 10 | !archi.png! |
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| 11 | |||
| 12 | h2. 2. Set guacamole server |
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| 13 | |||
| 14 | - run cdist |
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| 15 | |||
| 16 | <pre> |
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| 17 | cd ~/.cdist; git pull; cdist config -bj7 -p9 -vv desktop.ungleich.ch |
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| 18 | </pre> |
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| 19 | |||
| 20 | - in manifest |
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| 21 | |||
| 22 | <pre> |
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| 23 | …… |
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| 24 | desktop.ungleich.ch) |
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| 25 | __guacamole_centos --ldap-hostname 'ldap server url' \ |
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| 26 | --ldap-port '636' \ |
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| 27 | --ldap-encryption-method 'ssl' \ |
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| 28 | --ldap-user-base-dn 'ou=XXX,dc=ungleich,dc=ch' \ |
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| 29 | --ldap-search-bind-password ‘refer to pass' \ |
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| 30 | --ldap-search-bind-dn 'cn=XXXXX,dc=ungleich,dc=ch' \ |
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| 31 | --ldap-username-attribute 'uid' \ |
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| 32 | --postgresql-hostname 'localhost' \ |
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| 33 | --postgresql-username 'USER name' \ |
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| 34 | --postgresql-database 'DB-name' \ |
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| 35 | --postgresql-port 'XXXX' \ |
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| 36 | --postgresql-password 'password' \ |
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| 37 | --TOTP \ |
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| 38 | --guacd-db 'postgresql' |
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| 39 | </pre> |
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| 40 | |||
| 41 | h2. 3. Create VNC connection for VM |
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| 42 | |||
| 43 | !g_con.png! |
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| 44 | |||
| 45 | h3. 1) install postgresql on opennebual server |
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| 46 | |||
| 47 | <pre> |
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| 48 | apt install postgresql-client |
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| 49 | </pre> |
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| 50 | |||
| 51 | h3. 2) config postgresql for accessing from external host(%{color:blue}This is excuted by cdist%) |
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| 52 | |||
| 53 | - vi /var/lib/pgsql/data/postgresql.conf on guacamole server(desktop) |
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| 54 | |||
| 55 | <pre> |
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| 56 | listen_addresses = '*' |
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| 57 | </pre> |
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| 58 | |||
| 59 | - vi /var/lib/pgsql/data/pg_hba.conf on guacamole server(desktop) |
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| 60 | |||
| 61 | <pre> |
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| 62 | host all all opennbula server address trust |
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| 63 | </pre> |
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| 64 | |||
| 65 | - Restart postgresql |
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| 66 | |||
| 67 | <pre> |
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| 68 | systemctl restart postgresql |
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| 69 | </pre> |
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| 70 | |||
| 71 | h3. 3) set vnc connection automatically on opennebula server |
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| 72 | |||
| 73 | h4. (1) vnc connection script |
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| 74 | |||
| 75 | - vm_list_dual_uid : create VM list file(uid, email, VM Number, host, VNC port) (https://code.ungleich.ch/ungleich-public/ungleich-tools/blob/master/vm_list_dual_uid) |
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| 76 | |||
| 77 | - create-guacamole-session-ldap-db : create VNC connection on desktop (https://code.ungleich.ch/ungleich-public/ungleich-tools/blob/master/create-guacamole-session-ldap-DB) |
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| 78 | |||
| 79 | h4. (2) create crontab |
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| 80 | |||
| 81 | <pre> |
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| 82 | crontab -e |
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| 83 | </pre> |
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| 84 | |||
| 85 | <pre> |
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| 86 | 15 0,2,4,6,8,10,12,14,16,18,20,22 * * * ./vm_list_dual_uid #create vm_list |
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| 87 | 45 0,2,4,6,8,10,12,14,16,18,20,22 * * * ./create-guacamole-session-ldap-db vm_vnc_list #create vm_list |
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| 88 | </pre> |
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| 89 | |||
| 90 | h2. 4. Monitoring VNC console |
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| 91 | |||
| 92 | - We are monitoring VNC console with prometheus. |
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| 93 | - run cdist __dcl_monitoring_server(update prometheus.yml) |
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| 94 | |||
| 95 | h2. %{color:blue}※User VM information is synchronized with the VNC console every hour. If you create VM right now, you can access VNC console after one hour.(vnc connection script takes about 7~8 minutes.)% |